1284916260860 has 48 divisors (see below), whose sum is σ = 2701456101792. Its totient is φ = 513370233600.

The previous prime is 1284916260853. The next prime is 1284916260889. The reversal of 1284916260860 is 680626194821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100213250 + ... + 100226070.

It is an arithmetic number, because the mean of its divisors is an integer number (56280335454).

Almost surely, 2^{1284916260860} is an apocalyptic number.

1284916260860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1284916260860 is an abundant number, since it is smaller than the sum of its proper divisors (1416539840932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1284916260860 is a wasteful number, since it uses less digits than its factorization.

1284916260860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18254 (or 18252 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 1284916260860 in words is "one trillion, two hundred eighty-four billion, nine hundred sixteen million, two hundred sixty thousand, eight hundred sixty".